/* Copyright (C) 2022-2025 mintsuki and contributors.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

 #ifndef FLANTERM_FB_PRIVATE_H
 #define FLANTERM_FB_PRIVATE_H 1
 
 #ifndef FLANTERM_IN_FLANTERM
 #error "Do not use fb_private.h. Use interfaces defined in fb.h only."
 #endif
 
 #include <stdint.h>
 #include <stddef.h>
 #include <stdbool.h>
 
 #ifdef __cplusplus
 extern "C"
 {
 #endif
 
 #define FLANTERM_FB_FONT_GLYPHS 256
 
     struct flanterm_fb_char
     {
         uint32_t c;
         uint32_t fg;
         uint32_t bg;
     };
 
     struct flanterm_fb_queue_item
     {
         size_t x, y;
         struct flanterm_fb_char c;
     };
 
     struct flanterm_fb_context
     {
         struct flanterm_context term;
 
         void (*plot_char)(struct flanterm_context *ctx, struct flanterm_fb_char *c, size_t x, size_t y);
 
         size_t font_width;
         size_t font_height;
         size_t glyph_width;
         size_t glyph_height;
 
         size_t font_scale_x;
         size_t font_scale_y;
 
         size_t offset_x, offset_y;
 
         volatile uint32_t *framebuffer;
         size_t pitch;
         size_t width;
         size_t height;
         size_t bpp;
 
         uint8_t red_mask_size, red_mask_shift;
         uint8_t green_mask_size, green_mask_shift;
         uint8_t blue_mask_size, blue_mask_shift;
 
         size_t font_bits_size;
         uint8_t *font_bits;
         size_t font_bool_size;
         bool *font_bool;
 
         uint32_t ansi_colours[8];
         uint32_t ansi_bright_colours[8];
         uint32_t default_fg, default_bg;
         uint32_t default_fg_bright, default_bg_bright;
 
         size_t canvas_size;
         uint32_t *canvas;
 
         size_t grid_size;
         size_t queue_size;
         size_t map_size;
 
         struct flanterm_fb_char *grid;
 
         struct flanterm_fb_queue_item *queue;
         size_t queue_i;
 
         struct flanterm_fb_queue_item **map;
 
         uint32_t text_fg;
         uint32_t text_bg;
         size_t cursor_x;
         size_t cursor_y;
 
         uint32_t saved_state_text_fg;
         uint32_t saved_state_text_bg;
         size_t saved_state_cursor_x;
         size_t saved_state_cursor_y;
 
         size_t old_cursor_x;
         size_t old_cursor_y;
     };
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif
 